১৩৬৩১
The average of five consecutive integers is X. If the next two numbers are added, how shall the average vary?
উত্তর
It shall increase by 1
১৩৬৩৫
In a party 15 people shake their hands with each other. How many times did the hand-shakes take place?
উত্তর
105
১৩৬৩৬
At what profit percent must an article be sold so that by selling at half that price, there will a loss of 30%?
উত্তর
40%
১৩৬৩৭
The speed of three cars is in the ratio of 2 : 3 : 4. The ratio of the times taken by these cars to travel the same distance is -
উত্তর
6 : 4 : 3
১৩৬৩৮
A man swimming in a stream which flows (3/2) km/hr finds that in a given time he can swim twice as far with the stream as he can against it. At what rate does he swim?
উত্তর
(9/2) km/hr
১৩৬৩৯
In a class 75% passed in English, 60% in Mathematics and 25% failed in both the subjects. What is the percentage who passed in both subjects?
উত্তর
60%